(19)

(11)

EP 1 085 913 A1

(12)

(43) Date of publication: 28.03.2001 Bulletin 2001/13 (21) Application number: 99955436.3 (22) Date of filing: 07.06.1999

(51) International Patent Classification (IPC)7: A61L 15/42, A61L 15/44 (86) International application number: PCT/US9912/738 (87) International publication number: WO 9964/081 (16.12.1999 Gazette 1999/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.06.1998 US 88424 P (71) Applicant: Ferris Corporation Burr Ridge,Illinois 60521-5848 (US)	(72) Inventors: SESSIONS, Robert, W. Burr Ridge, IL 60521 (US) KAHN, Alan, R. Minneapolis, MN 55403 (US) (74) Representative: Prins, Adrianus Willem et al Vereenigde,Nieuwe Parklaan 97 2587 BN Den Haag 2587 BN Den Haag (NL)